Question

what is the definition of deacceleration

Answer 1

De-acceleration or retardation is the rate of decrease in velocity. It is exactly opposite of the acceleration. In acceleration there in a increase in velocity but in this case there is decrease in velocity. If the acceleration of a body is -10 m/s^2 then in terms of retardation we will write it 10 m/s^2.

The SI unit of de-acceleration is same as that of acceleration i.e. m/s^2 and its unit in CGS system is cm/s^2.

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Answer 2

1. Answer:

the velocity of the body decreases with time then the body is said to be in motion

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